CN106444478A - Vehicular mainboard structure - Google Patents
Vehicular mainboard structure Download PDFInfo
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- CN106444478A CN106444478A CN201610756015.XA CN201610756015A CN106444478A CN 106444478 A CN106444478 A CN 106444478A CN 201610756015 A CN201610756015 A CN 201610756015A CN 106444478 A CN106444478 A CN 106444478A
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- control unit
- unit
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- vehicle
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- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 241000209140 Triticum Species 0.000 claims 1
- 235000021307 Triticum Nutrition 0.000 claims 1
- 230000006870 function Effects 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 230000033001 locomotion Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000033772 system development Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention provides a vehicular mainboard structure and is applied to a vehicular system. The vehicular mainboard structure comprises a micro control unit which is connected with a bus controller of a vehicle body through a first control bus, wherien the bus controller is connected with multiple vehicular devices through the first control bus; a processor which is connected with the micro control unit through a first interface; a video processing unit which is connected with the processor through a second control bus and is connected with multiple video acquisition units through a video connecting line; an image processing unit which is connected with the processor; an encoding processing unit which is connected with the processor; and a power supply control unit which is connected with the micro control unit and is used for detecting whether externally provided work voltages are within an abnormal scope. The vehicular mainboard structure has the following advantages: each hardware is integrated into a mainboard, connection layout between the hardware is more orderly, more functions can be added to the vehicular system, and more application demands of users can be satisfied.
Description
Technical field
The present invention relates to automobile circuit plate technique field, more particularly, to a kind of vehicle-mounted mainboard structure.
Background technology
Fast development, automobile application software and complexity with Chinese national economy construction and auto industry modernization
Increase in the urgent need to automobile-used embedded OS (as linux) support, operating system improving automobile application program
Portable and reliability, shortening system development cycle become present aspect significant with reducing embedded system development, and
The realization of embedded system then needs corresponding hardware supported, entirety between each hardware in onboard system in prior art
Integrated level is relatively low, and the connecting line between each hardware more leads to hardware composing relatively costly in a jumble, is therefore badly in need of a kind of each hardware
Between over all Integration degree higher, easy to assembly, the mainboard structure of more onboard system functions can be supported.
Content of the invention
For the problems referred to above existing between the hardware in onboard system in prior art, one kind is now provided to be intended to each hardware
Between over all Integration degree higher, easy to assembly, the mainboard structure of more onboard system functions can be supported.
Concrete technical scheme is as follows：
A kind of vehicle-mounted mainboard structure, is applied to onboard system, wherein, including：
One micro-control unit, is connected with a bus control unit of car body by one first controlling bus；
Described bus control unit is connected with multiple mobile units by described first controlling bus；
One processor, is connected with described micro-control unit by a first interface；
One video conversion unit, is connected with described processor by one second controlling bus；
Described video processing unit is connected with multiple video acquisition unit by a video connecting line；
One graphics processing unit, is connected with described processor；
One coding processing unit, is connected with described processor；
One power control unit, is connected with described micro-control unit, and described power control unit is in order to detect outside offer
Running voltage whether be in non-normal range.
Preferably, also include an audio-visual control unit, described audio-visual control unit leads to described second controlling bus and two
Bar audio frequency control line is connected with described processor.
Preferably, described audio-visual control unit also includes an audio conversion unit, and described audio conversion unit is connected with one
Power amplifying device.
Preferably, described processor also includes a second interface, and described second interface is in order to access external storage device.
Preferably, also include a wireless transmission unit, described wireless transmission unit passes through described first interface and described place
Reason device connects, and is connected with described audio-visual control unit by described audio frequency control line.
Preferably, described audio-visual control unit is connected with multiple microphone input units, and described microphone input unit is used
Voice signal with the user of collection.
Preferably, described wireless transmission unit also includes locating unit, and described positioning unit is in order to obtain positional information.
Preferably, described processor includes：
One SDIO interface, in order to access one first bin；
One ddr interface, in order to access a built-in storage.
Preferably, described processor includes a SPI interface, in order to access one first bin, described SPI interface also in order to
Gyroscope apparatus outside accessing.
Preferably, described first interface is UART interface, and described second interface is OTG interface.
Technique scheme has the advantage that or beneficial effect：Each hardware is all integrated on mainboard, and each hardware it
Between connection configuration more orderly, and provide and can add more functions in onboard system, thus section to meet user more
Use demand.
Brief description
With reference to appended accompanying drawing, more fully to describe embodiments of the invention.However, appended accompanying drawing be merely to illustrate and
Illustrate, and be not meant to limit the scope of the invention.
Fig. 1 is a kind of structural representation of vehicle-mounted mainboard structure embodiment of the present invention；
(1), micro-control unit；(2), bus control unit；(3), processor；(4), video processing unit；(5), at image
Reason unit；(6), coding processing unit；(7), power control unit；(8), audio-visual control unit；(9), wireless transmission unit；
(10), positioning unit；(11), power amplifying device；(12), display device；(13), microphone input unit.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
The present invention includes a kind of vehicle-mounted mainboard structure.
As shown in figure 1, a kind of embodiment of vehicle-mounted mainboard structure, it is applied to onboard system, wherein, including：
One micro-control unit 1, is connected with a bus control unit 2 of car body by one first controlling bus；
Described bus control unit 2 is connected with multiple mobile units by described first controlling bus；
One processor 3, is connected with described micro-control unit 1 by a first interface；
One video conversion unit, is connected with described processor 3 by one second controlling bus；
Described video processing unit 4 is connected with multiple video acquisition unit by a video connecting line；
One graphics processing unit 5, is connected with described processor 3；
One coding processing unit 6, is connected with described processor 3；
One power control unit 7, is connected with described micro-control unit 1, and described power control unit 7 carries in order to detect outside
For running voltage whether be in non-normal range.
In technique scheme, mobile unit may include the air-conditioning of in-car, Engine ECU, automobile instrument ECU etc., automobile
In normal course of operation, the job information of above-mentioned mobile unit can be exported by most control unit by bus control unit 2,
Micro-control unit 1 by first interface receive mobile unit job information, and this job information is converted to processor 3 can
The predetermined format processing, and then the job information of predetermined format is shown on the display device 12 in onboard system；
For using checking the working condition of corresponding mobile unit, so can be made according to the job information of mobile unit right
The adjustment in corresponding equipment portion, specific method of adjustment can input control instruction to processor for user in onboard system
3, this control instruction is exported to micro-control unit 1, the control that will be received by micro-control unit 1 by processor 3 by first interface
Instruction is converted to the control information of corresponding mobile unit, and bus control unit 2 timely adjusts corresponding vehicle-mounted according to control information
The working condition of equipment；
On the other hand, automobile is also equipped with multiple video acquisition unit, the reverse image required for such as moveing backward, concrete
In work, when the video acquisition unit that processor 3 detects on video connecting line starts, can be regarded to this by controlling power line
Frequency collecting device provides running voltage, and the signalling channel of video conversion unit is connected with this video capture device, Jin Erke
The video data that first video signal of collection is converted to predetermined format exports to graphics processing unit 5, by image procossing list
Unit 5 converts video data to the second video signal and exports to coding processing unit 6, can be to the by coding processing unit 6
Two encoding video signals are processed to form the video data format that the display device 12 of onboard system can show, user
Can be by the video image assisting driving operation of display in display device 12；
Wherein first controlling bus are CAN, and CAN is controller local area network (Controller Area
Network, CAN) abbreviation, be to be developed by research and develop and to produce the famous German BOSCH company of automobile electronics, and
Become international standard (ISO 11898) eventually, be one of most widely used fieldbus in the world；
Second controlling bus are I2C bus, and I2C (Inter-Integrated Circuit) bus is public by PHILIPS
The twin wire universal serial bus of department's exploitation, for connecting microcontroller and its ancillary equipment.
First video signal can be CVBS signal, and predetermined format can be BT656 form, the second video signal can be LVDS
Signal；
In order to ensure the stablizing of running voltage of the processor 3 on above-mentioned circuit main board, power control unit 7 can be passed through
Whether the running voltage of the detection automobile operationally offer of accumulator is in very scope, if being in non-normal range,
Power control unit 7 can stop providing running voltage to processor 3, to ensure the work safety of processor 3.
In one kind preferably embodiment, also include an audio-visual control unit 8, described audio-visual control unit 8 is led to described
Second controlling bus and two audio frequency control lines are connected with described processor 3.
In technique scheme, audio-visual control unit 8 may include audio treatment unit and digital signal processing unit, car
Radio in loading system has become the requisite critical function of user, and its operation principle on mainboard is, user
Operate wireless operation in onboard system, the operational motion of reception is converted into corresponding operational order by processor 3, and leads to
Cross second controlling bus control radio execution respective operations instruct corresponding operation, such as control wireless switching channels and
The associative operation in setting radio station.
In one kind preferably embodiment, described audio-visual control unit 8 also includes an audio conversion unit, described audio frequency
Converting unit is connected with a power amplifying device 11.
In technique scheme, the content receiving radio signals broadcast station in radio is, particular by audio-visual list
Audio conversion unit in unit, is received the analogue signal of the antenna being connected with audio conversion unit, and converts analog signals into
First digital signal, and by digital signal processing unit, the first digital signal is processed, then by the numeral processing letter
Number export to the power amplifying device 11 of onboard system, the sound that wherein radio is play by two above-mentioned audio frequency control lines can be
I2S exports to driver area and passenger area；
In one kind preferably embodiment, described processor 3 also includes a second interface, and described second interface is in order to connect
Enter external storage device.
In technique scheme, second interface can be OTG interface, and, in order to access external storage device, it is at home and abroad for OTG interface
Image file, audio file, video file is may include in portion's storage facilities；
Wherein the process of picture file can be loaded by processor 3 with the figure in the external storage device accessing second interface
Piece file, the picture file of loading is converted to the second video signal and exports to the display of onboard system by graphics processing unit 5
On equipment 12；
Broadcasting to audio file can load audio file by processor 3 in external storage device, by processor 3
The audio decoder file of middle offer, is decoded to audio file operating the audio file forming I2S form, and by I2S form
Audio file exported by audio frequency control line and play out to audio treatment unit；
The broadcasting of video file is identical with the broadcasting of above-mentioned audio file, therefore no longer repeats.
In one kind preferably embodiment, also include a wireless transmission unit 9, described wireless transmission unit 9 passes through institute
State first interface to be connected with described processor 3, and be connected with described audio-visual control unit 8 by described audio frequency control line.
In technique scheme, wireless transmission unit 9 can be based on Bluetooth transmission mode, for convenience by the movement of user
Terminal plays out by vehicle-mounted power amplifying device 11 as the audio file in mobile phone and panel computer, can by mobile terminal and
After wireless transmission unit 9 in onboard system sets up pairing successful connection, can enter in music player in mobile terminal and play
Music, mobile terminal sends the audio file of broadcasting to wireless transmission unit 9, and the sound receiving is believed by wireless transmission unit 9
Export the audio treatment unit to audio-visual control unit 8, exported acoustical signal to power amplifying device 11 by audio treatment unit
Play out.
In one kind preferably embodiment, audio-visual control unit 8 is connected with multiple microphone input units 13, mike
The voice signal of the user in order to gather for the input block 13.In technique scheme, automobile in the process of moving, such as user
The mobile terminal receiving receives incoming call, if pick up mobile terminal carrying out answering, driving very dangerous, and wearing ear
The mode of machine is worn for a long time and can be brought discomfort to ear, in technique scheme, the movement of user in the process of moving
When terminal receives incoming call, operation can be answered with cross operation onboard system, video process unit is by microphone input unit 13
The voice signal of collection is converted to the second digital signal and is exported to wireless transmission unit 9 by audio frequency control line；
Wireless transmission unit 9 sends the second digital signal to the mobile terminal being connected with wireless transmission unit 9 real
Existing normal talking is it is ensured that the driving safety of user.
In one kind preferably embodiment, wireless transmission unit 9 also includes locating unit, positioning unit by obtain
Positional information.
In technique scheme, above-mentioned positioning unit includes a reception antenna in order to obtain the position letter of vehicle traveling
Breath, and exported positional information to processor 3 by wireless transmission unit 9, position display can be looked into by processor 3 in user
See.
In one kind preferably embodiment, processor 3 includes：
One SDIO interface, in order to access one the oneth F bin；
One ddr interface, in order to access a built-in storage.
In one kind preferably embodiment, processor 3 includes a SPI interface, in order to access one the 2nd FLASH storage
Device, SPI interface is also in order to access the gyroscope apparatus of outside.
In technique scheme, the first bin may be used to store map datum, the amount of capacity of the wherein first bin
For 8GB；
The amount of capacity of built-in storage can be 1GB；
Second bin, answers bootstrap in order to what stocking system started, its amount of capacity can be 8M；First memory and
Second memory is FLASH memory.
In one kind preferably embodiment, first interface is UART interface, and second interface is OTG interface.
The foregoing is only preferred embodiments of the present invention, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art it should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, all should be included in protection scope of the present invention.
Claims (10)
1. a kind of vehicle-mounted mainboard structure, is applied to onboard system it is characterised in that including：
One micro-control unit, is connected with a bus control unit of car body by one first controlling bus；
Described bus control unit is connected with multiple mobile units by described first controlling bus；
One processor, is connected with described micro-control unit by a first interface；
One video processing unit, is connected with described processor by one second controlling bus；
Described video processing unit is connected with multiple video acquisition unit by a video connecting line；
One graphics processing unit, is connected with described processor；
One coding processing unit, is connected with described processor；
One power control unit, is connected with described micro-control unit, and described power control unit is in order to detect the work of outside offer
Make whether voltage is in non-normal range.
2. vehicle-mounted mainboard structure according to claim 1 is it is characterised in that also include an audio-visual control unit, described shadow
Sound control unit leads to described second controlling bus and two audio frequency control lines are connected with described processor.
3. vehicle-mounted mainboard structure according to claim 2 is it is characterised in that described audio-visual control unit also includes an audio frequency
Converting unit, described audio conversion unit is connected with a power amplifying device.
4. vehicle-mounted mainboard structure according to claim 1 is it is characterised in that described processor also includes a second interface,
Described second interface is in order to access external storage device.
5. vehicle-mounted mainboard structure according to claim 2 is it is characterised in that also include a wireless transmission unit, described nothing
Line transmission unit is connected with described processor by described first interface, and by described audio frequency control line and described audio-visual control
Unit processed connects.
6. vehicle-mounted mainboard structure according to claim 5 is it is characterised in that described audio-visual control unit is connected with multiple wheats
Gram wind input block, described microphone input unit in order to will collection user voice signal.
7. vehicle-mounted mainboard structure according to claim 6 is it is characterised in that described wireless transmission unit also includes a positioning
Unit, described positioning unit is in order to the positional information obtaining.
8. vehicle-mounted mainboard structure according to claim 6 is it is characterised in that described processor includes：
One SDIO interface, in order to access one first bin；
One ddr interface, in order to access a built-in storage.
9. vehicle-mounted mainboard structure according to claim 6 is it is characterised in that described processor includes a SPI interface, in order to
Access one first bin, described SPI interface is also in order to access the gyroscope apparatus of outside.
10. vehicle-mounted mainboard structure according to claim 4 it is characterised in that described first interface be UART interface, and
Described second interface is OTG interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756015.XA CN106444478A (en) | 2016-08-29 | 2016-08-29 | Vehicular mainboard structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756015.XA CN106444478A (en) | 2016-08-29 | 2016-08-29 | Vehicular mainboard structure |
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| CN106444478A true CN106444478A (en) | 2017-02-22 |
Family
ID=58091380
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| CN201610756015.XA Pending CN106444478A (en) | 2016-08-29 | 2016-08-29 | Vehicular mainboard structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240336A (en) * | 2017-07-05 | 2017-10-10 | 安徽嘻哈网络技术有限公司 | A kind of network edition robot electronic coach intelligentized system of teaching and learning integrated host |
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